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Bug#413676: marked as done (linux-image-2.6.18-4-ixp4xx: nfsd oopses with 'unable to handle kernel paging request')

Your message dated Thu, 3 Jul 2008 16:27:22 +0200
with message-id <20080703142722.GL13910@stro.at>
and subject line linux-image-2.6.18-6-686: kernel oops handling paging request
has caused the Debian Bug report #413676,
regarding linux-image-2.6.18-4-ixp4xx: nfsd oopses with 'unable to handle kernel paging request'
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
413676: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=413676
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.18-4-ixp4xx
Version: 2.6.18.dfsg.1-11
Severity: normal

I have a directory exported with nfs-kernel-server. I can mount it OK, but writing to it causes an oops. After writing about 5MB, nfsd dies with the following oops:

Unable to handle kernel paging request at virtual address 000123c8
pgd = c0004000
[000123c8] *pgd=00000000
Internal error: Oops: 17 [#1]
Modules linked in: nfsd exportfs nfs lockd nfs_acl sunrpc jfs iscsi_trgt crc32c libcrc32c xfs ledtrig_heartbeat ipv6 dm_snaps
hot dm_mirror dm_mod rtc_dev ixp4xx_mac evdev ixp4xx_qmgr ixp4xx_npe ixp4xx_beeper firmware_class ext3 jbd mbcache sd_mod usb
_storage scsi_mod ehci_hcd ohci_hcd usbcore
CPU: 0
PC is at txCommit+0x1f0/0xf34 [jfs]
LR is at 0x38
pc : [<bf1d18b8>]    lr : [<00000038>]    Not tainted
sp : c15499a0  ip : c2881888  fp : c1549a2c
r10: c287b594  r9 : 00000038  r8 : c2881850
r7 : 00000004  r6 : c2882200  r5 : c2881850  r4 : 00000000
r3 : 00002a34  r2 : 00012338  r1 : 00000048  r0 : c17f3000
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  Segment kernel
Control: 397F  Table: 01D50000  DAC: 00000017
Process nfsd (pid: 3061, stack limit = 0xc1548250)
Stack: (0xc15499a0 to 0xc154a000)
99a0: 00000000 00000000 c03477a0 c1abf5d8 c028f340 00000000 c17f3000 c15499c8
99c0: c0059f18 c0049b68 c1610011 c15499f4 c03477a0 c1261000 00000001 c1549a30
99e0: 000000d9 0001244c 00680800 00000000 00000001 00000010 00040002 00000001
9a00: 00080000 00000000 00000011 00000000 00000000 00000000 000017e0 00000000
9a20: c1549a48 c1549a30 bf1b63a0 bf1d16d4 c1abf5d8 c1abf3c0 00000001 c1549ac4
9a40: c1549a4c bf1cd070 bf1b62e4 00000000 00000001 c1549a94 00000000 c1abf5d8
9a60: 000004dc 00000000 00000000 00000000 00000000 c1abf3c0 c053b000 00000001
9a80: c0347320 00000001 00000000 00001d5f 00000000 00001d5f 00000000 c1549af0
9aa0: 00000000 00000000 00000000 00000000 000004dc 00000000 c1549b38 c1549acc
9ac0: bf1b69dc bf1cca24 000004dc 00000000 c1549af0 00000000 c1549b08 00000000
9ae0: c1abf424 00000001 c1549b60 c1abf5d8 00486100 000004dc 00000001 00001d5f
9b00: 00000000 00000000 00000001 bf0b33e8 00001000 c028f960 00000000 00008000
9b20: 00000f60 000000a0 00000000 c1549bd8 c1549b3c c007dce4 bf1b6814 bf1b6808
9b40: 00000000 c1abf5d8 000004dc 00000000 00000001 00000000 fffff000 c1549b68
9b60: 00000000 c005e178 c028f960 00000044 00001000 00000000 00000000 00000001
9b80: c02114ac 004dc000 000200d2 c02114ac 00000000 004dc000 c1300160 c1549be8
9ba0: c1549bac c028f960 c1abf674 000004dc 000004dc 004dc000 c028f960 00008000
9bc0: 00000f60 004dc000 00000000 c1549be8 c1549bdc bf1b624c c007dc44 c1549c8c
9be0: c1549bec c005b96c bf1b6238 00000009 c1549cf4 00000000 00000f60 c1e7c3a0
9c00: c1abf674 bf1d6764 c1abf5d8 00000000 c08820a0 00000000 c11a9900 00000000
9c20: 00000001 00000000 c028f960 c1549c38 c01cc38c c1549c70 c1549c44 c009d2f8
9c40: bf1b678c c1549c74 c1549c70 0d84723c c1abf5d8 00000000 00008000 c1abf5d8
9c60: 57e7c3a0 00000000 004dc000 00000000 00008000 c1abf5d8 00008000 c1e7c3a0
9c80: c1549cf0 c1549c94 c005c0e8 c005b6c8 004dc000 00000000 c1549ec8 00008000
9ca0: 00000000 c1549ec8 c11a9900 c1549cf4 00000009 c1278c00 c1549e60 00000000
9cc0: 00000001 ffc11060 c1549cf4 c1549d34 00000000 00000000 c1abf5d8 c1549ec8
9ce0: c1e7c3a0 c1549d88 c1549cf4 c005c2d0 c005bd48 c1300160 00000017 00000000
9d00: 00000001 ffffffff c1e7c3a0 00000000 00000000 00000000 00000000 c1300160
9d20: 00000000 00000000 c1548000 c1300160 c0049bc0 c1549d34 c1549d34 c1abf5d8
9d40: c1549ec8 c1e7c3a0 c1549d78 c1549d58 c01cc728 c01cb24c c06b5d58 c1abf64c
9d60: c1300160 00000009 c1abf648 00000009 c1abf648 c11a9900 c1abf674 c1549dc4
9d80: c1549d8c c005c344 c005c25c 00000800 00000204 c1549db0 c1549da4 0000000a
9da0: 00000009 c1fce09f 00000000 c1e7c3a0 c005c3d0 00000001 c1549e38 c1549dc8
9dc0: c0078af8 c005c308 c1549df4 c11a9900 bf02c6bc bf02ada8 c1278c00 00000000
9de0: 00000000 0000001a c1549e08 c1549df8 bf0051d0 bf02c570 c1baaec0 c1549e2c
9e00: c1549e0c c0057be4 bf0051a0 c1549e2c c10cc8fc ffffffea c1549ec8 c1e7c3a0
9e20: c1abf5d8 c10cc8fc c0af7878 c1549e58 c1549e3c c0078cbc c007896c c1549ec8
9e40: bf000000 c10cc0f0 00008000 c1549ec4 c1549e5c bf2659e4 c0078c58 00020001
9e60: c0c53de0 00000000 c1e7c3a0 c10cc004 00008000 c1549ea4 c1549e84 c0076aa4
9e80: c007682c 00000000 c1abf5d8 00020001 00000002 c0af7878 c1549ec8 00000000
9ea0: c10cc004 004dc000 00000000 c052ce00 c10cc8fc 00008000 c1549f0c c1549ecc
9ec0: bf2663d0 bf2658fc 004dc000 00000000 c10cc8fc 00000009 00008000 c10cc0f0
9ee0: c1e7c3a0 004dc000 00000000 00000009 00008000 c10cc800 00000018 c10cc000
9f00: c1549f4c c1549f14 bf26e2bc bf26630c 004dc000 00000000 c10cc8fc 00000009
9f20: 00008000 c10cc0f0 c052ce00 0000001c bf293740 c157b000 c157b018 c157b000
9f40: c1549f70 c1549f50 bf2620fc bf26e1dc c052ce64 c052ce00 bf293740 c052ce40
9f60: bf293630 c1549fb4 c1549f74 bf1ea9cc bf262034 000000fc c0675de0 bf293644
9f80: c157b018 c157b00c 01000000 bf294d8c 0008f575 bf29562c c052ce00 c0675de0
9fa0: 00000000 00000000 c1549ff4 c1549fb8 bf2626e4 bf1ea554 c09b5fb8 c18dffb8
9fc0: c1300160 fffffeff ffffffff fffffef8 ffffffff 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 c1549ff8 c0037fd8 bf26253c 00000000 00000000
Backtrace:
[<bf1d16c8>] (txCommit+0x0/0xf34 [jfs]) from [<bf1b63a0>] (jfs_commit_inode+0xc8/0x118 [jfs])
[<bf1b62d8>] (jfs_commit_inode+0x0/0x118 [jfs]) from [<bf1cd070>] (extAlloc+0x65c/0x6b4 [jfs])
 r5 = 00000001  r4 = C1ABF3C0
[<bf1cca18>] (extAlloc+0x4/0x6b4 [jfs]) from [<bf1b69dc>] (jfs_get_block+0x1d4/0x2f0 [jfs])
[<bf1b6808>] (jfs_get_block+0x0/0x2f0 [jfs]) from [<c007dce4>] (nobh_prepare_write+0xac/0x408)
[<c007dc38>] (nobh_prepare_write+0x0/0x408) from [<bf1b624c>] (jfs_prepare_write+0x20/0x28 [jfs])
[<bf1b622c>] (jfs_prepare_write+0x0/0x28 [jfs]) from [<c005b96c>] (generic_file_buffered_write+0x2b4/0x684)
[<c005b6bc>] (generic_file_buffered_write+0x4/0x684) from [<c005c0e8>] (__generic_file_aio_write_nolock+0x3ac/0x41c)
[<c005bd3c>] (__generic_file_aio_write_nolock+0x0/0x41c) from [<c005c2d0>] (__generic_file_write_nolock+0x80/0xac)
[<c005c250>] (__generic_file_write_nolock+0x0/0xac) from [<c005c344>] (generic_file_writev+0x48/0xd4)
 r7 = C1ABF674  r6 = C11A9900  r5 = C1ABF648  r4 = 00000009
[<c005c2fc>] (generic_file_writev+0x0/0xd4) from [<c0078af8>] (do_readv_writev+0x198/0x2ec)
[<c0078960>] (do_readv_writev+0x0/0x2ec) from [<c0078cbc>] (vfs_writev+0x70/0x7c)
[<c0078c4c>] (vfs_writev+0x0/0x7c) from [<bf2659e4>] (nfsd_vfs_write+0xf8/0x32c [nfsd])
 r6 = 00008000  r5 = C10CC0F0  r4 = BF000000
[<bf2658f0>] (nfsd_vfs_write+0x4/0x32c [nfsd]) from [<bf2663d0>] (nfsd_write+0xd4/0xec [nfsd])
[<bf266300>] (nfsd_write+0x4/0xec [nfsd]) from [<bf26e2bc>] (nfsd3_proc_write+0xec/0x114 [nfsd])
[<bf26e1d0>] (nfsd3_proc_write+0x0/0x114 [nfsd]) from [<bf2620fc>] (nfsd_dispatch+0xd4/0x1dc [nfsd])
[<bf262028>] (nfsd_dispatch+0x0/0x1dc [nfsd]) from [<bf1ea9cc>] (svc_process+0x484/0x7dc [sunrpc])
 r8 = BF293630  r7 = C052CE40  r6 = BF293740  r5 = C052CE00
 r4 = C052CE64
[<bf1ea548>] (svc_process+0x0/0x7dc [sunrpc]) from [<bf2626e4>] (nfsd+0x1b4/0x39c [nfsd])
[<bf262530>] (nfsd+0x0/0x39c [nfsd]) from [<c0037fd8>] (do_exit+0x0/0x840)
 r8 = 00000000  r7 = 00000000  r6 = 00000000  r5 = 00000000
 r4 = 00000000
Code: e1d630b4 e596200c e3833b02 e1c630b4 (e5923090)

-- System Information:
Debian Release: 4.0
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: arm (armv5tel)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-4-ixp4xx
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

Versions of packages linux-image-2.6.18-4-ixp4xx depends on:
ii  coreutils                     5.97-5.3   The GNU core utilities
ii  debconf [debconf-2.0]         1.5.11     Debian configuration management sy
ii  initramfs-tools [linux-initra 0.85e      tools for generating an initramfs
ii  module-init-tools             3.3-pre4-2 tools for managing Linux kernel mo

linux-image-2.6.18-4-ixp4xx recommends no packages.

-- debconf information:
  linux-image-2.6.18-4-ixp4xx/preinst/overwriting-modules-2.6.18-4-ixp4xx: true
  linux-image-2.6.18-4-ixp4xx/preinst/bootloader-initrd-2.6.18-4-ixp4xx: true
  shared/kernel-image/really-run-bootloader: true
  linux-image-2.6.18-4-ixp4xx/preinst/initrd-2.6.18-4-ixp4xx:
  linux-image-2.6.18-4-ixp4xx/postinst/old-dir-initrd-link-2.6.18-4-ixp4xx: true
  linux-image-2.6.18-4-ixp4xx/preinst/abort-install-2.6.18-4-ixp4xx:
  linux-image-2.6.18-4-ixp4xx/postinst/old-initrd-link-2.6.18-4-ixp4xx: true
  linux-image-2.6.18-4-ixp4xx/prerm/removing-running-kernel-2.6.18-4-ixp4xx: true
  linux-image-2.6.18-4-ixp4xx/postinst/bootloader-test-error-2.6.18-4-ixp4xx:
  linux-image-2.6.18-4-ixp4xx/preinst/lilo-has-ramdisk:
  linux-image-2.6.18-4-ixp4xx/preinst/failed-to-move-modules-2.6.18-4-ixp4xx:
  linux-image-2.6.18-4-ixp4xx/postinst/old-system-map-link-2.6.18-4-ixp4xx: true
  linux-image-2.6.18-4-ixp4xx/postinst/bootloader-error-2.6.18-4-ixp4xx:
  linux-image-2.6.18-4-ixp4xx/preinst/lilo-initrd-2.6.18-4-ixp4xx: true
  linux-image-2.6.18-4-ixp4xx/postinst/create-kimage-link-2.6.18-4-ixp4xx: true
  linux-image-2.6.18-4-ixp4xx/postinst/depmod-error-initrd-2.6.18-4-ixp4xx: false
  linux-image-2.6.18-4-ixp4xx/prerm/would-invalidate-boot-loader-2.6.18-4-ixp4xx: true
  linux-image-2.6.18-4-ixp4xx/preinst/abort-overwrite-2.6.18-4-ixp4xx:
  linux-image-2.6.18-4-ixp4xx/postinst/depmod-error-2.6.18-4-ixp4xx: false
  linux-image-2.6.18-4-ixp4xx/preinst/already-running-this-2.6.18-4-ixp4xx:
  linux-image-2.6.18-4-ixp4xx/postinst/kimage-is-a-directory:
  linux-image-2.6.18-4-ixp4xx/preinst/elilo-initrd-2.6.18-4-ixp4xx: true

--- End Message ---
--- Begin Message --- 
Version: 2.6.24-1


that mm trouble has been fixed in newer linux images. etch + half kernel
have the upstream fix. as the oops is quite rare and fix hasn't been 
clearly identified it is recommeded to upgrade to etch + half kernel
-> http://wiki.debian.org/EtchAndAHalf

thanks for the report.

-- 
maks

--- End Message ---
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